Search a number
-
+
31463030 = 253146303
BaseRepresentation
bin111100000000…
…1011001110110
32012012111011102
41320001121312
531023304110
63042210102
7531300644
oct170013166
965174142
1031463030
111683a705
12a653932
136697ba1
144270194
152b675a5
hex1e01676

31463030 has 8 divisors (see below), whose sum is σ = 56633472. Its totient is φ = 12585208.

The previous prime is 31463023. The next prime is 31463063. The reversal of 31463030 is 3036413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31462993 and 31463011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573142 + ... + 1573161.

It is an arithmetic number, because the mean of its divisors is an integer number (7079184).

Almost surely, 231463030 is an apocalyptic number.

31463030 is a deficient number, since it is larger than the sum of its proper divisors (25170442).

31463030 is a wasteful number, since it uses less digits than its factorization.

31463030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146310.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 31463030 is about 5609.1915638530. The cubic root of 31463030 is about 315.6943781742.

Adding to 31463030 its reverse (3036413), we get a palindrome (34499443).

The spelling of 31463030 in words is "thirty-one million, four hundred sixty-three thousand, thirty".

Divisors: 1 2 5 10 3146303 6292606 15731515 31463030